STM32H743ZIT6

Product Overview

The STM32H743ZIT6 is a high-performance 32-bit microcontroller from STMicroelectronics' STM32H7 series. Based on an Arm Cortex-M7 core operating at up to 480 MHz, the device combines high processing performance, DSP instructions, a double-precision Floating Point Unit (FPU), large memory capacity, and a comprehensive set of advanced peripherals.

The STM32H743ZIT6 integrates 2 MB of dual-bank Flash memory and up to 1 MB of RAM, including TCM RAM, user SRAM, and backup SRAM. It also features an external memory interface, Quad-SPI interface, advanced timers, high-resolution ADCs, DACs, Ethernet, USB OTG, CAN FD, SDMMC, and multiple high-speed communication interfaces.

With its high-performance processing architecture and extensive peripheral integration, the STM32H743ZIT6 is suitable for industrial automation, robotics, motor control, networking equipment, human-machine interfaces, data acquisition, audio processing, IoT gateways, and other demanding embedded applications.

Key Features

• Arm Cortex-M7 32-bit RISC processor core

• CPU frequency up to 480 MHz

• Double-precision and single-precision FPU

• DSP instructions

• Memory Protection Unit (MPU)

• 16 KB instruction cache

• 16 KB data cache

• Up to 2 MB dual-bank Flash memory

• Up to 1 MB RAM

• 192 KB TCM RAM

• Up to 864 KB user SRAM

• 4 KB backup SRAM

• Up to 114 general-purpose I/O pins

• 3 × 16-bit ADCs

• 2 × 12-bit DACs

• 2 × CAN FD interfaces

• 10/100 Mbps Ethernet with IEEE 1588

• USB OTG Full-Speed

• USB OTG High-Speed

• 6 × SPI interfaces

• 4 × I²C interfaces

• 4 × USART interfaces

• 4 × UART interfaces

• 1 × LPUART

• 3 × I²S interfaces

• 4 × SAI interfaces

• 2 × SDMMC interfaces

• Quad-SPI memory interface

• Flexible external memory controller

• Advanced timers and PWM

• Motor-control timers

• Hardware random number generator

• DFSDM interface

• LCD-TFT controller

• Camera interface

• Audio and digital filter peripherals

• JTAG and SWD debug support

• Operating temperature range from -40°C to +85°C

• LQFP-144 package

Technical Specifications

STMicroelectronics currently lists the STM32H743ZIT6 as an Active product in volume production, with an industrial grade and LQFP-144 20 × 20 × 1.4 mm package.

Processor & Architecture

The STM32H743ZIT6 is based on a high-performance Arm Cortex-M7 processor core operating at up to 480 MHz.

The Cortex-M7 core integrates DSP instructions and a floating-point unit supporting both single-precision and double-precision floating-point processing.

Key processor features include:

• Arm Cortex-M7 32-bit RISC core

• Up to 480 MHz CPU frequency

• Double-precision FPU

• Single-precision FPU

• DSP instructions

• Memory Protection Unit

• 16 KB instruction cache

• 16 KB data cache

• 1027 DMIPS performance

• JTAG and SWD debugging

This architecture provides the processing performance required for real-time control, signal processing, networking, graphics, and demanding embedded software.

Memory & Storage

The STM32H743ZIT6 provides a large integrated memory architecture designed for high-performance embedded applications.

Memory resources include:

• 2 MB Flash memory

• 192 KB TCM RAM

• Up to 864 KB user SRAM

• 4 KB backup SRAM

• Dual-bank Flash architecture

• Read-while-write support

• Dual-mode Quad-SPI interface

• Flexible external memory controller

The external memory controller supports SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR Flash, and NAND Flash memory.

The combination of large internal Flash and RAM allows the device to handle complex firmware, communication stacks, graphical interfaces, real-time algorithms, and large application datasets.

Advanced Analog & Timer Peripherals

The STM32H743ZIT6 provides extensive analog and timer resources for industrial control, motor control, and data acquisition.

Key resources include:

• 3 × 16-bit ADCs

• Up to 20 ADC channels per ADC

• 2 × 12-bit DAC channels

• 12 × 16-bit general-purpose timers

• 2 × 32-bit timers

• 2 × motor-control PWM timers

• 5 × low-power timers

• 1 × high-resolution timer

• 2 × comparators

• 2 × operational amplifiers

• Hardware random number generator

• Real-time clock

These integrated peripherals enable direct connection to sensors, actuators, motors, analog measurement systems, and industrial control equipment.

Graphics & Multimedia

The STM32H743ZIT6 includes hardware resources designed to support advanced graphical and multimedia embedded applications.

Key features include:

• LCD-TFT controller

• Chrom-ART graphics accelerator

• Digital camera interface

• SAI audio interfaces

• I²S audio interfaces

• SPDIF receiver

• JPEG and image-processing support through available peripherals

• External memory interface for display buffers and multimedia data

These capabilities make the device suitable for embedded displays, human-machine interfaces, industrial panels, audio equipment, and graphical control systems.

Communication & Connectivity

The STM32H743ZIT6 provides a comprehensive range of communication interfaces.

Supported interfaces include:

• 10/100 Mbps Ethernet with IEEE 1588

• USB OTG Full-Speed

• USB OTG High-Speed

• 2 × CAN FD

• 6 × SPI

• 4 × I²C

• 4 × USART

• 4 × UART

• 1 × LPUART

• 3 × I²S

• 4 × SAI

• 2 × SDMMC

• Quad-SPI

• Flexible Memory Controller

The integrated Ethernet controller supports IEEE 1588 precision time synchronization, making the device suitable for industrial networking and time-sensitive embedded applications.

Security Features

The STM32H743ZIT6 provides hardware and system-level security features designed to help protect embedded applications.

Security-related capabilities include:

• Readout Protection (RDP)

• Proprietary Code Readout Protection

• Active Tamper

• Hardware Random Number Generator

• Memory Protection Unit

• Secure memory-access mechanisms

These features can be used to improve firmware protection and help secure embedded systems against unauthorized access.

Applications

The STM32H743ZIT6 is suitable for a wide range of embedded applications, including:

• Industrial Automation

• Embedded Control Systems

• Robotics

• Motor Control

• Industrial Networking

• IoT Gateways

• Human-Machine Interfaces

• Industrial Displays

• Data Acquisition Systems

• Audio Processing Equipment

• Consumer Electronics

• Smart Home Devices

• Building Automation

• Medical Electronics

• Networking Equipment

• Measurement Equipment

• Advanced Embedded Systems

Benefits

The STM32H743ZIT6 combines a 480 MHz Arm Cortex-M7 processor, 2 MB Flash, up to 1 MB RAM, advanced analog peripherals, extensive communication interfaces, and powerful external-memory capabilities.

Its Ethernet, USB, CAN FD, SPI, I²C, UART, USART, SDMMC, and audio interfaces provide flexible connectivity for complex embedded designs.

The combination of high CPU performance, DSP and floating-point capabilities, large memory resources, advanced timers, graphics support, and industrial-grade operating temperature makes the STM32H743ZIT6 suitable for demanding real-time embedded applications.

Packaging & Ordering Information

The official ST product information specifies the STM32H743ZIT6 as an Active industrial-grade device supplied in an LQFP-144 20 × 20 × 1.4 mm package.

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, processor specifications, ADC/DAC specifications, communication interfaces, absolute maximum ratings, and application information, please refer to the official STMicroelectronics documentation.

Datasheet: Official STM32H743ZIT6 Datasheet

Frequently Asked Questions

What is STM32H743ZIT6?

The STM32H743ZIT6 is a high-performance 32-bit microcontroller manufactured by STMicroelectronics and belonging to the STM32H7 series.

What processor core does STM32H743ZIT6 use?

The STM32H743ZIT6 uses an Arm Cortex-M7 processor core with DSP instructions and double-precision floating-point processing.

What is the maximum operating frequency of STM32H743ZIT6?

The maximum CPU frequency is 480 MHz.

How much Flash memory does STM32H743ZIT6 have?

The STM32H743ZIT6 provides 2 MB of embedded Flash memory.

How much RAM does STM32H743ZIT6 have?

The device provides up to 1 MB of RAM, including TCM RAM, user SRAM, and backup SRAM.

How many GPIO pins does STM32H743ZIT6 provide?

The STM32H743ZIT6 provides up to 114 general-purpose I/O pins.

Does STM32H743ZIT6 support Ethernet?

Yes. The device integrates a 10/100 Mbps Ethernet interface with IEEE 1588 support.

Does STM32H743ZIT6 support USB?

Yes. The device provides USB OTG Full-Speed and USB OTG High-Speed connectivity.

Does STM32H743ZIT6 support CAN FD?

Yes. The STM32H743ZIT6 provides 2 × CAN FD interfaces.

What ADC does STM32H743ZIT6 provide?

The STM32H743ZIT6 integrates 3 × 16-bit ADCs for high-resolution analog signal acquisition.

How many DAC channels does STM32H743ZIT6 have?

The device provides 2 × 12-bit DAC channels.

What package is used for STM32H743ZIT6?

The STM32H743ZIT6 is supplied in a 144-pin LQFP package, measuring approximately 20 mm × 20 mm × 1.4 mm.

What is the operating voltage of STM32H743ZIT6?

The specified application supply-voltage range is 1.62 V to 3.6 V.

What is the operating temperature of STM32H743ZIT6?

The industrial operating temperature range is -40°C to +85°C.

Is STM32H743ZIT6 an active product?

Yes. STMicroelectronics currently lists STM32H743ZIT6 as an Active product in volume production.

What applications is STM32H743ZIT6 suitable for?

It is suitable for industrial automation, robotics, motor control, industrial networking, IoT gateways, human-machine interfaces, data acquisition, audio processing, consumer electronics, and other high-performance embedded applications.

Can I request bulk pricing for STM32H743ZIT6?

Yes. Contact our sales team with your required quantity and delivery destination to request current pricing, stock availability, MOQ, lead time, and shipping options.

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